From 4cdcd82a76d7deefe5f5bbe3031b21e4274050f0 Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Sat, 2 Dec 2006 16:59:20 +0000
Subject: [PATCH] Fixed WInterrupts to work with the ATmega168.

---
 targets/arduino/WInterrupts.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/targets/arduino/WInterrupts.c b/targets/arduino/WInterrupts.c
index 87dc25e6a..63f5fea74 100755
--- a/targets/arduino/WInterrupts.c
+++ b/targets/arduino/WInterrupts.c
@@ -35,6 +35,10 @@
 volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
 // volatile static voidFuncPtr twiIntFunc;
 
+#if defined(__AVR_ATmega168__)
+#define MCUCR EICRA
+#define GICR EIMSK
+#endif
 
 void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
   if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {